On the tension strength of carbon/epoxy composites in the presence of deep scratches

被引：9
作者：
Petersen, Derek R. [1 ]
El-Hajjar, Rani F. [1 ]
Kabor, Bashar A. [2 ]
机构：
[1] Univ Wisconsin, Coll Engn & Appl Sci, Dept Civil Engn & Mech, Milwaukee, WI 53217 USA
[2] ACE Tech, Aircraft Struct, Snohomish, WA 98296 USA
来源：
ENGINEERING FRACTURE MECHANICS | 2012年 / 90卷
关键词：
Composites; Fracture mechanics; Mixed mode fracture; Aerospace vehicles; Gouges; COHESIVE-ZONE MODELS; FRACTURE-TOUGHNESS; FREE-EDGE; LAMINATED COMPOSITES; MATRIX COMPOSITES; FREE-VIBRATION; P-ELEMENT; FIBER; RESISTANCE; BEHAVIOR;
D O I：
10.1016/j.engfracmech.2012.04.013
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Fiber reinforced plastic composites are currently used in structures operating in a variety of environments where various forms of damage may occur. One form of possible damage in composite structures can be in the form of deep scratches causing a discontinuity in the load bearing plies. These scratches may occur accidentally by abrasion of the composite structure on a sharp object during normal operating conditions. Scenarios for these possibilities are discussed in the aerospace environment. Experimental and numerical studies performed show altered failure modes and J-Integral mode mixity affecting the tension behavior of the carbon/epoxy composites examined. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：30 / 40
页数：11
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